CN205656006U - NGV engine test bed frame gas air feed is equipped - Google Patents
NGV engine test bed frame gas air feed is equipped Download PDFInfo
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- CN205656006U CN205656006U CN201620507893.3U CN201620507893U CN205656006U CN 205656006 U CN205656006 U CN 205656006U CN 201620507893 U CN201620507893 U CN 201620507893U CN 205656006 U CN205656006 U CN 205656006U
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Abstract
The utility model discloses a NGV engine test bed frame gas air feed is equipped, including natural gas gas holder, booster compressor, the buffer tank, dewatering device, add smelly regulator and automatic control system, the air inlet and the export of natural gas pipe net air supply of natural gas gas holder are met, the gas outlet and the booster compressor of natural gas gas holder meet, booster compressor's gas outlet and buffer tank meet, the gas outlet and the dewatering device of buffer tank meet, dewatering device's gas outlet and the air inlet that adds smelly regulator meet, it meets with NGV engine test bed frame air supply header through the solenoid valve to add smelly regulator, NGV engine test bed frame air supply header meets with at least one NGV engine test bed frame branch road, the NGV engine test bed frame props up has solenoid valve and pressure reducer on the road. The utility model discloses an air feed equipment satisfies a plurality of NGV engine test bed all -roundly and puts up the required natural gas supply of performance adjustment of dispatching from the factory, and the function is the most complete, degree of automation is high.
Description
Technical field
This utility model belongs to the application of natural gas, specifically one and meets multiple stage NGV (gas-fueled vehicles) electromotor
Test-bed dispatches from the factory the NGV threst stand gas supply equipment of combustion gas needed for performance adjustment.
Background technology
Along with reform and opening-up deeply, national economy is flourish, and living standards of the people improve, city bus, taxi,
Private car increases day by day.The discharge severe contamination of automobile the air that the mankind depend on for existence, makes environment can't bear the heavy load.Particularly
In recent years, domestic haze weather was more and more heavier on national economy impact, and control atmosphere pollution extremely countries in the world government payes attention to.
Furthermore, fuel price is also the most soaring, and natural gas (main component is methane) is compared with fuel oil, Unit Weight
Heating value of natural gas higher；After taxi oil to gas, per 100 km can save fuel cost 25 yuan, travels 400 kilometers every day,
Annual per car can save fuel cost 3.47 ten thousand yuan.Bus using natural gas per 100 km compared with diesel powered bus can save fuel
Taking 44 yuan, travel 250 kilometers every day, per car can save fuel cost 3.85 ten thousand yuan every year, and economic benefit is fine.Heavier
If combustion of natural gas is abundant, CO content minimizing 97% in tail gas, Hydrocarbon minimizing 72%, SO2Reduce 90%,
Without the poisonous and harmful substance such as benzene, lead, environment protecting is fairly obvious.Natural gas as high-quality, efficiently, cleaning fuel,
Many countries have popularized.
Some big motor corporations develop electric automobile, alcohols automobile, gas-fueled vehicles in succession in the world.From technology maturation
The aspect factors such as degree, economy, easy popularity, resource are seen, gas-fueled vehicles are better than electric automobile, alcohols automobile.Cause
Total recoverable amount of automobile is more than 7.5 hundred million the most in the world for these, and wherein gas-fueled vehicles recoverable amount is more than 6,000,000, adds
Gas station quantity more than 6000, be mainly distributed on the country such as the oil-poor Italy of rich gas, New Zealand, Argentina, Indonesia and
The strict U.S. of environmental regulation, Japan etc..Dai-gram, the international renowned company such as comings, IVECO all sparing no effort big
Power is researched and developed and promotes respective natural gas engine.
China's gas combustion automobile development lags relatively, and along with transfering natural gas from the west to the east, Shan gas is gone to the capital, river gas enters Shanghai, China's natural gas
The exploitation of automobile engine and the paces of application are accelerated.Domestic full-sized car factory and engine works such as east wind, liberation, upper bavin,
Weihe River bavin, Yuchai continue to increase product development dynamics, and released one after another the commercially popularization and application of respective product, major product
Also transferred to single compressed natural gas automobile by dual-fuel automobile (natural gas/gasoline or diesel oil).
Many NGV engine production factory and office cover city at gas distributing system now, are badly in need of special by pipe network natural gas
(0.05～0.6MPa) supercharging (0.8～1.2MPa), it is dehydrated, adds smelly, the gas supply device of voltage stabilizing, natural to meet
Gas electromotor delivery test is used.
Gas-fueled vehicles (NGV) with the prescription of natural gas are: methane content more than 84%, higher calorific value >=31.4
MJ/m3, containing CO2< 2.%, H2S<15mg/m3, total sulfur < 200mg/m3；Normal pressure dry gas dew point≤-60 DEG C；Dustiness≤5
mg/m3, micronic dust diameter≤10 μm.NGV electromotor needs to debug before dispatching from the factory, it is necessary to provides to electromotor and meets
Its natural gas required, to meet its debugging demand.
Utility model content
In order to solve the problem that prior art exists, this utility model provides a kind of NGV threst stand gas supply
Equipment, this supply equipment collects natural gas storage tank, booster compressor, dehydration device, adds smelly regulator and automatic control system
In one, meet multiple stage NGV threst stand in all directions and dispatch from the factory the natural gas supply needed for performance adjustment, and merit
Can the most complete, automaticity is high.
This utility model adopts the following technical scheme that NGV threst stand gas supply is equipped, including natural gas gas storage
Tank, booster compressor, surge tank, dehydration device, add smelly regulator and automatic control system, entering of natural gas air accumulator
QI KOU is connected with gas distributing system source outlet pipeline, and the gas outlet of natural gas air accumulator is with booster compressor air entry pipeline even
Connecing, the gas outlet of booster compressor is connected with surge tank air inlet duct, the gas outlet of surge tank and dehydration device inlet tube
Road connects, and the gas outlet of dehydration device is connected with the air inlet duct adding smelly regulator, and the gas outlet adding smelly regulator leads to
Cross electromagnetic valve to be connected with NGV threst stand air supply header pipeline, NGV threst stand air supply header with extremely
A few NGV threst stand bypass line connects, NGV threst stand branch road has explosion-proof solenoid valve and
Decompressor；Described automatic control system includes that natural gas leaking detector, PLC, pressure transducer, temperature pass
Sensor, relay, alarm and emergency stop switch, the probe of natural gas leaking detector is located at natural gas line seam,
Pressure transducer, temperature sensor and relay are located on booster compressor and dehydration device, natural gas leaking detector, pressure
Force transducer, temperature sensor and relay all utilize DSC port to connect with the PLC of Control Room, and PLC controls
Device is connected with emergency stop switch and alarm.
Supply equipment of the present utility model can enter the natural gas of natural gas storage tank and carry out supercharging, takes off gas distributing system source of the gas
Water, add after smelly, pressure regulation etc. processes, it is possible to directly provide required combustion gas to each NGV threst stand, simultaneously full
The supply of foot multiple stage NGV threst stand debugging natural gas.And automatic control system utilizes PLC to natural pressure
Contracting machine realizes electromotor overload, short-circuit protection, and the oil pressure of compressor, cooling water pressure are too low, excessive discharge temperature, exhaust pressure
Automatic alarm that power is too high and shutdown；To the dehydration heter temperature of device and on off control, circulating fan and cooling blower
Start and stop automatically control；And in air, natural gas content exceedes the 25% of its minimum explosion limit (LEL) in this armament-related work
Time send alarm, emergency shutdown when exceeding the 50% of its minimum explosion limit, and utilize between DCS port and Control Room remote
Process control, to guarantee this equipment safety reliability service.
Described booster compressor has two, and two booster compressors are arranged in juxtaposition, and one opens for one, prevents booster compressor event
Barrier or normal maintenance maintenance affect NGV electromotor and normally dispatch from the factory debugging.
Described booster compressor is VWD-4.8/0.8-16 type cylinder oil-free foundation-free low noise compressor, two stages of compression, follows
Ring water cooling, pressure of inspiration(Pi) is 0.08MPa, and pressure at expulsion is 1.6MPa, capacity: 4.8mm3/ min, drives electronic
Acc power is 75KW, and soft start, PLC control, if Compressor Discharge Pressure, delivery temperature exceed standard and lubricating oil and cooling
Water pressure is too low waits controller and alarm.Supply equipment of the present utility model by supercharging, be dehydrated, add smelly, pressure regulation, will
The pressure of natural gas is adjusted to 0.8～1.2MPa, meets the natural gas vehicle engine needs to combustion gas.
Described dehydration device includes left drying tower and right drying tower, and the input of left drying tower and the input of right drying tower divide
Not being connected with the gas output end of fore filter, the input of fore filter is connected with the gas outlet of surge tank；Left dry
The input of tower and the input of right drying tower also sequentially pass through cooling blower, gas-liquid separator, circulating fan and heater and divide
Do not connect with the outfan of the outfan of left drying tower and right drying tower, constitute regenerating molecular sieve loop；The liquid of gas-liquid separator
Body outfan connects fluid reservoir, and the drain side of fluid reservoir is connected with the blow-off pipe of fore filter, and is connected with sewage draining exit；
The outfan of left drying tower and the outfan of right drying tower connect with post-filter the most respectively, post-filter with add smelly pressure regulation
Device connects, and constitutes gas dehydration passage.This dehydration device utilizes two drying towers the most alternately to adsorb
And reproduction operation, one is in the adsorption dewatering stage, and another is then in regenerating molecular sieve and cooling stage；During absorption work
Between about 16 hours, about 8 hours recovery times, it is ensured that of the present utility model supply equipment lasting supply, meet natural
The needs of gas automobile stand debugging.
Supply equipment of the present utility model makes full use of local gas distributing system pressure, and requires natural gas according to national standard
The source of the gas that pipe network provides carry out supercharging, be dehydrated, purify, pressure regulation processes, provide for gas-fueled vehicles stand and stablize combustion gas, expire
Its debugging of foot needs, and automatization level is high, fills the domestic gaps, has goodish economic and social benefits.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of NGV threst stand gas supply of the present utility model equipment.
Fig. 2 is the schematic diagram being dehydrated device in NGV threst stand gas supply of the present utility model equipment.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiment of the present utility model is described specifically:
NGV threst stand gas supply is equipped, as it is shown in figure 1, include natural gas air accumulator 1, VW-4.8/0.8-16
Type booster compressor 21,22, surge tank 3, dehydration device 4, add smelly regulator 5 and automatic control system, natural gas
The air inlet of air accumulator 1 connects with gas distributing system source outlet, and the pipe diameter of gas distributing system source outlet is 160cm,
Rated pressure is 0.08MPa, the volume >=6m of natural gas air accumulator 13, operating pressure >=0.2MPa, operating temperature≤100 DEG C,
The gas outlet of natural gas air accumulator 1 connects with booster compressor 21,22, and the version that booster compressor 21,22 is is
V-type, water-cooled, double acting, cylinder oil-free lubrication, foundation-free, two stages of compression, low noise compressor, its nominal volume stream
Amount >=4.8m3/ min, pressure of inspiration(Pi) is 0.08MPa, pressure at expulsion≤1.6MPa, suction temperature≤40 DEG C, delivery temperature 160 DEG C,
Gas transmission temperature≤60 DEG C, cooling water flow is 4m3/ h, air demand is 450～500Nm3/ h, booster compressor 21,22 is also
Row are arranged, during use, one opens for one, has electromagnetic valve 61, supercharging between booster compressor 21,22 and natural gas air accumulator 1
The gas outlet of compressor 21,22 connects with surge tank 3, the volume >=6m of surge tank 33, operating pressure >=2.0MPa, work
Making temperature≤100 DEG C, the gas outlet of surge tank 3 connects with dehydration device 4, and dehydration device 4 connects with adding smelly regulator 5,
The input pressure adding smelly regulator 5 is 1.5MPa, and output pressure is 1.0～1.2MPa, adds smelly regulator 5 and passes through
The NGV threst stand air supply header 7 that explosion-proof solenoid valve 62 is made with seamless steel pipe connects, and NGV electromotor tries
Test stand air supply header 7 to connect with five NGV threst stand branch roads, the sky of single NGV threst stand
So throughput is 65kg/h, and the natural gas minimum discharge of five NGV threst stands is 325kg/h；NGV starts
Setting on machine test-bed branch road and respectively set an explosion-proof solenoid valve 63 and a decompressor 8, the input pressure of decompressor 8 is 1.5
MPa, output pressure is 0.8～1.2MPa.
Described automatic control system includes natural gas leaking detector, PLC, pressure transducer, temperature sensor
Relay, alarm and emergency stop switch, the probe of natural gas leaking detector is located at natural gas line seam, pressure
Sensor, temperature sensor and relay are located on booster compressor and dehydration device, and natural gas leaking detector, pressure pass
Sensor, temperature sensor and relay all utilize DSC port to connect with the PLC of Control Room, PLC with
Emergency stop switch is connected with alarm.This automatic control system utilize PLC natural gas compressor is realized electromotor overload,
Short-circuit protection, the oil pressure of compressor, cooling water pressure are too low, automatic alarm that excessive discharge temperature, pressure at expulsion are too high and stopping
Machine；The heter temperature of dehydration device and the start and stop of on off control, circulating fan and cooling blower are automatically controlled；And this
In armament-related work, in air, natural gas content sends alarm when exceeding the 25% of its minimum explosion limit (LEL), exceedes it
Minimum explosion limit 50% time emergency shutdown, and utilize and remotely control between DCS port and Control Room, to guarantee this dress
Standby safe and reliable operation.It addition, booster compressor is placed in blimp, it can be ensured that the outer noise sound≤65dB of this equipped chamber
(A)。
Described dehydration device 4 as in figure 2 it is shown, include left drying tower 42A and right drying tower 42B, left drying tower 42A and
Respectively equipped with about 150kg 4A molecular sieve in right drying tower 42B, for absorbing the moisture in natural gas, left drying tower 42A's
The input of input and right drying tower 42B is respectively by the gas output end of valve 43c and valve 43e with fore filter 41
Connecting, the input of fore filter 41 is connected with the gas outlet of surge tank 3；The input of left drying tower 42A and the right side are done
The input of dry tower 42B is the most respectively by valve 43b and the most cooled blower fan of valve 43d 44, gas-liquid separator 45, circulation
Blower fan 47 and heater 48 are respectively by the outfan of valve 43m, valve 43k and left drying tower 42A and right drying tower 42B
Outfan connects, and constitutes regenerating molecular sieve loop, and the power of cooling blower 44 is 0.55kW, the power of circulating fan 47
For 3kW, the power of heater 48 is 12kW；The fluid output port of gas-liquid separator 45 connects fluid reservoir by valve 43f
46, the drain side of fluid reservoir 46 is connected with the blowdown end of fore filter 41, and is connected with sewage draining exit, fluid reservoir 46
Drain side have valve 43g, the blowdown end of fore filter 41 has valve 43a；The outfan of left drying tower 42A and right drying tower
The outfan of 42B is connected with post-filter 49 by valve 43n and valve 43h the most respectively, post-filter 49 with add smelly tune
Pressure device 5 connects, and constitutes gas dehydration passage.This dehydration device 4 utilize left drying tower 42A and right drying tower 42B with
The mode of circulation is alternately adsorbed and reproduction operation, and one is in the adsorption dewatering stage, and another is then in regeneration and cooling
Stage；Adsorption time about 16 hours, about 8 hours recovery times, it is ensured that follow-up system can obtain being dried lasting supply,
Meet the needs of gas-fueled vehicles stand debugging.Normal pressure dry gas dew point≤-60 DEG C of dehydration device 4, dustiness≤5mg/m3,
Micronic dust diameter≤10 μm, metered flow 600Nm3/h。
The foregoing is only the embodiment of a kind of five stand NGV engine test gas supply equipments of the present utility model,
It is not limitation of the utility model, every equivalent transformation utilizing mentality of designing of the present utility model and principle to be made, or directly
Connect or be indirectly used in other relevant technical fields, be the most in like manner included in scope of patent protection of the present utility model.
Claims (4)
1.NGV threst stand gas supply is equipped, including natural gas air accumulator, booster compressor, surge tank, dehydration
Device, add smelly regulator and automatic control system, it is characterised in that: the air inlet of natural gas air accumulator and gas distributing system
Source outlet pipeline connects, and the gas outlet of natural gas air accumulator is connected with booster compressor pipeline, the gas outlet of booster compressor
Being connected with surge tank pipeline, the gas outlet of surge tank installs pipes with dehydration and is connected, dehydration device gas outlet with add smelly pressure regulation
The air inlet duct of device connects, and the gas outlet adding smelly regulator is supplied with NGV threst stand by electromagnetic valve
Main pipe connects, NGV threst stand air supply header and at least one NGV threst stand bypass line
Connect, NGV threst stand branch road has explosion-proof solenoid valve and decompressor；
Described automatic control system includes natural gas leaking detector, PLC, pressure transducer, temperature sensor
Relay, alarm and emergency stop switch, the probe of natural gas leaking detector is located at natural gas line seam, pressure
Sensor, temperature sensor and relay are located on booster compressor and dehydration device, and natural gas leaking detector, pressure pass
Sensor, temperature sensor and relay all utilize DSC port to connect with the PLC of Control Room, PLC with
Emergency stop switch is connected with alarm.
NGV threst stand gas supply the most according to claim 1 is equipped, it is characterised in that: described supercharging
Compressor has two, and two booster compressors are arranged in juxtaposition.
NGV threst stand gas supply the most according to claim 1 and 2 is equipped, it is characterised in that: described
Booster compressor is the two-stage piston compressor of circulating water, and its pressure of inspiration(Pi) is 0.08MPa, and rated discharge pressure is
1.6MPa；The input pressure adding smelly regulator is 1.6MPa；It is 0.8～1.2 through the post-decompression output pressure of decompressor
MPa。
NGV threst stand gas supply the most according to claim 1 and 2 is equipped, it is characterised in that: described
Dehydration device include left drying tower and right drying tower, the input of left drying tower and the input of right drying tower respectively with preposition mistake
The gas output end of filter connects, and the input of fore filter is connected with the gas outlet of surge tank；The input of left drying tower
Also sequentially pass through cooling blower, gas-liquid separator, circulating fan and heater with the input of right drying tower to be dried with a left side respectively
The outfan of tower and the outfan of right drying tower connect, and constitute regenerating molecular sieve loop；The fluid output port of gas-liquid separator is even
Connecing fluid reservoir, the drain side of fluid reservoir is connected with the blow-off pipe of fore filter, and is connected with sewage draining exit；Left drying tower
The outfan of outfan and right drying tower connects with post-filter the most respectively, and post-filter connects with adding smelly regulator,
Constitute gas dehydration passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620507893.3U CN205656006U (en) | 2016-05-25 | 2016-05-25 | NGV engine test bed frame gas air feed is equipped |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620507893.3U CN205656006U (en) | 2016-05-25 | 2016-05-25 | NGV engine test bed frame gas air feed is equipped |
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| CN205656006U true CN205656006U (en) | 2016-10-19 |
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| CN201620507893.3U Active CN205656006U (en) | 2016-05-25 | 2016-05-25 | NGV engine test bed frame gas air feed is equipped |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543915A (en) * | 2018-06-07 | 2018-09-18 | 贵州华煜丰车轮制造有限公司 | A kind of wheel hub casting mould and its casting method |
-
2016
- 2016-05-25 CN CN201620507893.3U patent/CN205656006U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543915A (en) * | 2018-06-07 | 2018-09-18 | 贵州华煜丰车轮制造有限公司 | A kind of wheel hub casting mould and its casting method |
| CN108543915B (en) * | 2018-06-07 | 2024-02-13 | 田平康 | Hub casting mold and casting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230519 Address after: 3rd Floor, Research and Development Center, No. 815 Changzheng North Road, Xiaobengbu Industrial Park, Huaishang District, Bengbu City, Anhui Province, 233020 Patentee after: Anhui Hongshen Energy Equipment Co.,Ltd. Address before: No. 815 Changzheng North Road, Huaishang District, Bengbu City, Anhui Province, 233020 Patentee before: ANHUI HONG SHEN COMPRESSOR Co.,Ltd. |
|
| TR01 | Transfer of patent right |